Across
1
Unit of force
2
Tectonic landmass section
4
Absolute temperature scale unit
5
Form of thermal energy
6
Ball of burning gas in space
11
The Red Planet
Down
2
Positive particle in nucleus
3
Unit of energy
7
Element found in all living things
8
Substance with pH below 7
9
Tissue that contracts for movement
10
Infectious microscopic agent
12
Magnetic metallic element